Geometry Final Exam Review

Transcription

1 Geometry Final Exam Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The sum of the angle measures of a polygon with s sides is Find s. a. 1 b. 16 c. 18 d A road sign is in the shape of a regular heptagon. What is the measure of each angle on the sign? Round to the nearest tenth. a. 900 b c d Find the values of the variables in the parallelogram. The diagram is not to scale z y x a. c. b. d. 6. In the parallelogram, and Find The diagram is not to scale. J K O M L a. 69 b. 106 c. 116 d. 6

2 7. What is the missing reason in the proof? Given: with diagonal Prove: A B Statements Reasons Definition of parallelogram Alternate Interior Angles Theorem 3. 3.?.. Alternate Interior Angles Theorem Reflexive Property of Congruence ASA a. Reflexive Property of Congruence c. Alternate Interior Angles Theorem b. Definition of parallelogram d. ASA 8. In the figure, the horizontal lines are parallel and Find KL and FG. The diagram is not to scale. D C M A H L 7.6 B G K J D C F E 5.1 a. KL = 7.6, FG = 7.6 c. KL = 5.1, FG = 5.1 b. d. KL = 7.6, FG = If and find the values of x and y for which LMNO must be a parallelogram. The diagram is not to scale. O N L a. x =, y = 5 c. 1 x = 11, y = 5 b. 1 d. x = 11, y = 5 x =, y = 5 M

3 10. In the rhombus, not to scale. Find the value of each variable. The diagram is a. x = 10, y = 85, z = 6 c. x = 5, y = 85, z = 3 b. x = 5, y = 175, z = 6 d. x = 10, y = 175, z = In rectangle PQRS, PR = 18x 2 and QS = x Find the value of x and the length of each diagonal. P Q S R a. x = 10, PR = 156, QS = 156 c. x = 5, PR = 151, QS = 151 b. x = 10, PR = 78, QS = 78 d. x = 11, PR = 17, QS = What is the value of x? A B L M D C a. 33 b. 29 c. 238 d Find the values of the variables and the lengths of the sides of this kite. y x + 5 2x + 5 x + 12 a. x = 7, y = 16; 3, 21 c. x = 7, y = 16; 12, 19 b. x = 16, y = 7; 12, 12 d. x = 16, y = 7; 3, 21

4 1. A model is made of a car. The car is 9 feet long and the model is 6 inches long. What is the ratio of the length of the car to the length of the model? a. 18 : 1 b. 1 : 18 c. 9 : 6 d. 6 : The measure of two complementary angles are in the ratio 1 :. What are the degree measures of the two angles? a. 5 and 135 c. 36 and 1 b. 23 and 68 d. 18 and 72 What is the solution of each proportion? 16. a. 3 b. c. d Complete the statements. A a. E F G H B b. GH DJ AB D J C a. ; DC b. E; AE c. E; DC d. ; AE 18. The polygons are similar, but not necessarily drawn to scale. Find the value of x. a. x = 8 c. x = 9 b. d. x = 10 x = State whether the triangles are similar. If so, write a similarity statement and the postulate or theorem you used. 19. O 30 J 10 M 3 K 1 N a. ; SSS c. ; SAS b. ; SAS d. The triangles are not similar.

5 20. Use the information in the diagram to determine the height of the tree to the nearest foot. a. 80 ft b. 26 ft c. 60 ft d. 72 ft 23. What is the value of x? > 2 36 x > > 12 a. 8 b. 12 c. 6 d The figure is drawn on centimeter grid paper. Find the perimeter of the shaded figure to the nearest tenth. a cm b cm c cm d cm 25. A triangle has side lengths of 28 in, in, and 31 in. Classify it as acute, obtuse, or right. a. obtuse b. right c. acute 26. Quilt squares are cut on the diagonal to form triangular quilt pieces. The hypotenuse of the resulting triangles is 10 inches long. What is the side length of each piece? a. 5 c. 5 b. 5 d The length of the hypotenuse of a triangle is. Find the perimeter. a c b d. 12 +

6 Find the value of x. Round to the nearest tenth x Not drawn to scale a b. 31. c d Find the value of x. Round to the nearest degree x Not drawn to scale a. 55 b. 35 c. 30 d. 3 Describe the vector as an ordered pair. Round the coordinates to the nearest tenth. (Not drawn to scale.) 30. y 59 x a., c., b., d., Write the resultant of the two vectors as an ordered pair. 31., and, a., b., c., d.,

7 32. What image is the translation of the shown triangle given by the translation rule? 8 y 8 8 x 8 a. y c. y x x 8 b. y d. 8 8 y 8 8 x x 8

8 33. What is a rule that describes the translation? y 8 B' A' B A D' 8 D C' 8 x C 8 a. c. b. d. 3. Which graph shows a triangle and its reflection image in the x-axis? a. y c. y x x 2 b. y d. 2 2 y 2 2 x x Which letter has at least one line of symmetry? a. F b. W c. Z d. S

9 37. If the figure has rotational symmetry, find the angle of rotation about the center that results in an image that matches the original figure. a. 90 b. 120 c. 210 d. no rotational symmetry 38. The dashed-lined triangle is a dilation image of the solid-lined triangle. Is the dilation an enlargement or a reduction? What is the scale factor of the dilation? 8 y 8 8 x 8 a. reduction; 2 b. reduction; c. enlargement; 2 d. reduction; Find the area. The figure is not drawn to scale cm 8 cm 13 cm 9 cm 11 cm a. 1.5 cm 2 b. 127 cm 2 c. 172 cm 2 d. 50 cm 2 1. Find the area of an equilateral triangle with a side of 12. a. 36 b. 72 c. 36 d. 3

10 Find the area of the trapezoid. Leave your answer in simplest radical form. 11 ft ft 5 Not drawn to scale a. 8 ft 2 b. 8 ft2 c. 168 ft 2 d. 1 ft 2 The figures are similar. Give the ratio of the perimeters and the ratio of the areas of the first figure to the second. The figures are not drawn to scale a. 5 : 6 and 25 : 36 c. 5 : 6 and 36 : 9 b. 6 : 7 and 36 : 9 d. 6 : 7 and 25 : Use Euler s Formula to find the missing number. Vertices: 11 Edges: 3 Faces:? a. 25 b. 28 c. 26 d. 2 Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number Not drawn to scale a. 322 m ; 327 m c. 296 m ; 332 m b. 296 m ; 32 m d. 322 m ; 332 m

11 Find the surface area of the pyramid shown to the nearest whole number ft 5 ft 5 ft Not drawn to scale a. 165 ft b. 95 ft c. 70 ft d. 28 ft 8. Find the lateral area of the cone to the nearest whole number. Not drawn to scale a. 750 m b m c. 712 m d. 925 m 9. Find the height of the cylinder. a. 2. in. b. 7.2 in. c. 1. d..8 in.

12 Find the volume of the sphere shown. Give each answer rounded to the nearest cubic unit cm a. 11,9 cm b. 359 cm c. 1,37 cm d. 205 cm 51. is tangent to. If and, what is? The diagram is not to scale. B A C O a. 7 b. 9 c. 70 d and are diameters. Find the measure of. (The figure is not drawn to scale.) Y Z X 6º 82º C R W a. 262 b. 226 c. 308 d. 52

13 Geometry Honors Final Exam Review Answer Section MULTIPLE CHOICE 1. ANS: B PTS: 1 DIF: L3 REF: 6-1 The Polygon Angle-Sum Theorems OBJ: Find the sum of the measures of the interior angles of a polygon STA: MA.912.G.2.1 MA.912.G.2.2 TOP: 6-1 Problem 1 Finding a Polygon Angle Sum KEY: sum of angles of a polygon 2. ANS: C PTS: 1 DIF: L3 REF: 6-1 The Polygon Angle-Sum Theorems OBJ: Find the sum of the measures of the interior angles of a polygon STA: MA.912.G.2.1 MA.912.G.2.2 TOP: 6-1 Problem 2 Using the Polygon Angle-Sum KEY: sum of angles of a polygon equilateral Corollary to the Polygon Angle-Sum Theorem regular polygon 3. ANS: D PTS: 1 DIF: L REF: 6-1 The Polygon Angle-Sum Theorems OBJ: Find the sum of the measures of the interior angles of a polygon STA: MA.912.G.2.1 MA.912.G.2.2 TOP: 6-1 Problem 3 Using the Polygon Angle-Sum Theorem KEY: Polygon Angle-Sum Theorem. ANS: C PTS: 1 DIF: L REF: 6-1 The Polygon Angle-Sum Theorems OBJ: Find the sum of the measures of the exterior angles of a polygon STA: MA.912.G.2.1 MA.912.G.2.2 TOP: 6-1 Problem Finding an Exterior Angle Measure KEY: sum of angles of a polygon 5. ANS: D PTS: 1 DIF: L REF: 6-2 Properties of Parallelograms OBJ: Use relationships among sides and angles of parallelograms STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. MA.912.G..5 TOP: 6-2 Problem 1 Using Consecutive Angles KEY: parallelogram opposite angles consecutive angles transversal 6. ANS: C PTS: 1 DIF: L REF: 6-2 Properties of Parallelograms OBJ: Use relationships among sides and angles of parallelograms STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. MA.912.G..5 TOP: 6-2 Problem 1 Using Consecutive Angles KEY: parallelogram angles 7. ANS: B PTS: 1 DIF: L3 REF: 6-2 Properties of Parallelograms OBJ: Use relationships among diagonals of parallelograms STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. MA.912.G..5 TOP: 6-2 Problem 2 Using Properties of Parallelograms in a Proof KEY: proof two-column proof parallelogram diagonal 8. ANS: D PTS: 1 DIF: L2 REF: 6-2 Properties of Parallelograms OBJ: Use relationships among sides and angles of parallelograms STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. MA.912.G..5 TOP: 6-2 Problem Using Parallel Lines and Transversals KEY: parallel lines transversal DOK: DOK 1 9. ANS: D PTS: 1 DIF: L2 REF: 6-3 Proving That a Quadrilateral Is a Parallelogram

14 OBJ: Determine whether a quadrilateral is a parallelogram STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. TOP: 6-3 Problem 1 Finding Values for Parallelograms KEY: algebra parallelogram opposite sides 10. ANS: C PTS: 1 DIF: L REF: 6- Properties of Rhombuses, Rectangles, and Squares OBJ: 6-.2 Use properties of diagonals of rhombuses and rectangles STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. TOP: 6- Problem 2 Finding Angle Measures KEY: algebra diagonal rhombus 11. ANS: A PTS: 1 DIF: L3 REF: 6- Properties of Rhombuses, Rectangles, and Squares OBJ: 6-.2 Use properties of diagonals of rhombuses and rectangles STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. TOP: 6- Problem 3 Finding Diagonal Length KEY: rectangle algebra diagonal 12. ANS: B PTS: 1 DIF: L3 REF: 6-6 Trapezoids and Kites OBJ: Verify and use properties of trapezoids and kites STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. TOP: 6-6 Problem 3 Using the Midsegment of a Trapezoid KEY: trapezoid base angles 13. ANS: C PTS: 1 DIF: L REF: 6-6 Trapezoids and Kites OBJ: Verify and use properties of trapezoids and kites STA: MA.912.G.3.1 MA.912.G.3.2 MA.912.G.3. TOP: 6-6 Problem Finding Angle Measures in Kites KEY: algebra kite 1. ANS: A PTS: 1 DIF: L3 REF: 7-1 Ratios and Proportions OBJ: Write ratios and solve proportions TOP: 7-1 Problem 1 Writing a Ratio KEY: ratio word problem 15. ANS: D PTS: 1 DIF: L3 REF: 7-1 Ratios and Proportions OBJ: Write ratios and solve proportions TOP: 7-1 Problem 2 Dividing a Quantity into a Given Ratio KEY: ratio 16. ANS: A PTS: 1 DIF: L REF: 7-1 Ratios and Proportions OBJ: Write ratios and solve proportions TOP: 7-1 Problem Solving a Proportion KEY: proportion Cross-Product Property 17. ANS: A PTS: 1 DIF: L3 REF: 7-2 Similar Polygons OBJ: Identify and apply similar polygons STA: MA.912.G.2.3 TOP: 7-2 Problem 1 Understanding Similarity KEY: similar polygons 18. ANS: C PTS: 1 DIF: L3 REF: 7-2 Similar Polygons OBJ: Identify and apply similar polygons STA: MA.912.G.2.3 TOP: 7-2 Problem 3 Using Similar Polygons KEY: corresponding sides proportion 19. ANS: B PTS: 1 DIF: L3 REF: 7-3 Proving Triangles Similar OBJ: Use the AA Postulate and the SAS and SSS Theorems STA: MA.912.G.2.3 MA.912.G.. MA.912.G..6 MA.912.G..8 MA.912.G.5. MA.912.G.8.5 TOP: 7-3 Problem 2 Verifying Triangle Similarity KEY: Side-Side-Side Similarity Theorem 20. ANS: A PTS: 1 DIF: L3 REF: 7-3 Proving Triangles Similar

15 OBJ: Use similarity to find indirect measurements STA: MA.912.G.2.3 MA.912.G.. MA.912.G..6 MA.912.G..8 MA.912.G.5. MA.912.G.8.5 TOP: 7-3 Problem Finding Lengths in Similar Triangles KEY: Angle-Angle Similarity Postulate word problem 21. ANS: C PTS: 1 DIF: L2 REF: 7- Similarity in Right Triangles OBJ: 7-.1 Find and use relationships in similar triangles STA: MA.912.G.2.3 MA.912.G..6 MA.912.G.5.2 MA.912.G.5. MA.912.G.8.3 TOP: 7- Problem 2 Finding the Geometric Mean KEY: geometric mean proportion 22. ANS: A PTS: 1 DIF: L REF: 7- Similarity in Right Triangles OBJ: 7-.1 Find and use relationships in similar triangles STA: MA.912.G.2.3 MA.912.G..6 MA.912.G.5.2 MA.912.G.5. MA.912.G.8.3 TOP: 7- Problem Finding a Distance KEY: corollaries of the geometric mean multi-part question word problem 23. ANS: A PTS: 1 DIF: L2 REF: 7-5 Proportions in Triangles OBJ: Use the Side-Splitter Theorem and the Triangles Angle-Bisector Theorem STA: MA.912.G.2.3 MA.912.G..5 MA.912.G..6 TOP: 7-5 Problem 2 Finding a Length KEY: corollary of Side-Splitter Theorem 2. ANS: A PTS: 1 DIF: L REF: 8-1 The Pythagorean Theorem and Its Converse OBJ: Use the Pythagorean Theorem and its converse STA: MA.912.G.5.1 MA.912.G.5. MA.912.G.8.3 TOP: 8-1 Problem 3 Finding Distance KEY: Pythagorean Theorem perimeter DOK: DOK ANS: A PTS: 1 DIF: L3 REF: 8-1 The Pythagorean Theorem and Its Converse OBJ: Use the Pythagorean Theorem and its converse STA: MA.912.G.5.1 MA.912.G.5. MA.912.G.8.3 TOP: 8-1 Problem 5 Classifying a Triangle KEY: right triangle obtuse triangle acute triangle DOK: DOK ANS: B PTS: 1 DIF: L3 REF: 8-2 Special Right Triangles OBJ: Use the properties of and triangles STA: MA.912.G.5.1 MA.912.G.5.3 MA.912.G.5. TOP: 8-2 Problem 3 Finding Distance KEY: special right triangles word problem 27. ANS: B PTS: 1 DIF: L REF: 8-2 Special Right Triangles OBJ: Use the properties of and triangles STA: MA.912.G.5.1 MA.912.G.5.3 MA.912.G.5. TOP: 8-2 Problem Using the Length of One Side KEY: special right triangles perimeter DOK: DOK ANS: B PTS: 1 DIF: L3 REF: 8-3 Trigonometry OBJ: Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right triangles STA: MA.912.G.5. MA.912.T.2.1 TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance KEY: sine side length using sine and cosine sine ratio 29. ANS: B PTS: 1 DIF: L3 REF: 8-3 Trigonometry OBJ: Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right triangles STA: MA.912.G.5. MA.912.T.2.1 TOP: 8-3 Problem 3 Using Inverses KEY: inverse of cosine and sine angle measure using sine and cosine sine 30. ANS: B PTS: 1 DIF: L3 REF: 8-5 Vectors

16 OBJ: Describe vectors STA: MA.912.D.9.3 MA.912.G.5.1 MA.912.G.5. TOP: 8-5 Problem 1 Describing a Vector KEY: vector initial point of a vector terminal point of a vector vector coordinates 31. ANS: A PTS: 1 DIF: L3 REF: 8-5 Vectors OBJ: Solve problems involving vector addition STA: MA.912.D.9.3 MA.912.G.5.1 MA.912.G.5. TOP: 8-5 Problem Adding Vectors KEY: adding vectors vector coordinates vector resultant DOK: DOK ANS: C PTS: 1 DIF: L3 REF: 9-1 Translations OBJ: Find translation images of figures STA: MA.912.G.2. MA.912.G.2.6 TOP: 9-1 Problem 3 Finding the Image of a Translation KEY: translation transformation coordinate plane image preimage DOK: DOK ANS: A PTS: 1 DIF: L3 REF: 9-1 Translations OBJ: Find translation images of figures STA: MA.912.G.2. MA.912.G.2.6 TOP: 9-1 Problem Writing a Rule to Describe a Translation KEY: translation DOK: DOK 1 3. ANS: D PTS: 1 DIF: L3 REF: 9-2 Reflections OBJ: Find reflection images of figures STA: MA.912.G.2. MA.912.G.2.6 TOP: 9-2 Problem 2 Graphing a Reflection Image KEY: coordinate plane reflection 35. ANS: D PTS: 1 DIF: L3 REF: 9-3 Rotations OBJ: Draw and identify rotation images of figures STA: MA.912.G.2. MA.912.G.2.6 TOP: 9-3 Problem 2 Identifying a Rotation Image KEY: rotation degree of rotation image 36. ANS: B PTS: 1 DIF: L3 REF: 9- Symmetry OBJ: 9-.1 Identify the type of symmetry in a figure STA: MA.912.G.2. TOP: 9- Problem 1 Identifying Lines of Symmetry KEY: rotational symmetry symmetry DOK: DOK ANS: B PTS: 1 DIF: L3 REF: 9- Symmetry OBJ: 9-.1 Identify the type of symmetry in a figure STA: MA.912.G.2. TOP: 9- Problem 2 Identifying Rotational Symmetry KEY: symmetry rotational symmetry 38. ANS: D PTS: 1 DIF: L3 REF: 9-5 Dilations OBJ: Understand dilation images of figures STA: MA.912.G.2. MA.912.G.2.6 TOP: 9-5 Problem 1 Finding a Scale Factor KEY: dilation reduction scale factor 39. ANS: A PTS: 1 DIF: L3 REF: 10-1 Areas of Parallelograms and Triangles OBJ: Find the area of parallelograms and triangles STA: MA.912.G.2.5 MA.912.G.2.7 TOP: 10-1 Problem Finding the Area of an Irregular Figure KEY: area triangle rectangle 0. ANS: A PTS: 1 DIF: L3 REF: 10-1 Areas of Parallelograms and Triangles OBJ: Find the area of parallelograms and triangles STA: MA.912.G.2.5 MA.912.G.2.7 TOP: 10-1 Problem 2 Finding a Missing Dimension KEY: parallelogram area base height 1. ANS: A PTS: 1 DIF: L REF: 10-1 Areas of Parallelograms and Triangles OBJ: Find the area of parallelograms and triangles STA: MA.912.G.2.5 MA.912.G.2.7

17 TOP: 10-1 Problem 3 Finding the Area of a Triangle KEY: area triangle 2. ANS: B PTS: 1 DIF: L3 REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites OBJ: Find the area of a trapezoid, rhombus, or kite STA: MA.912.G.2.5 MA.912.G.2.7 TOP: 10-2 Problem 2 Finding Area Using a Right Triangle KEY: area trapezoid 3. ANS: B PTS: 1 DIF: L2 REF: 10-3 Areas of Regular Polygons OBJ: Find the area of a regular polygon STA: MA.912.G.2.5 MA.912.G.2.7 MA.912.G.5.3 MA.912.G.6.1 TOP: 10-3 Problem 3 Using Special Triangles to Find Area KEY: regular polygon hexagon area apothem radius. ANS: A PTS: 1 DIF: L3 REF: 10- Perimeters and Areas of Similar Figures OBJ: Find the perimeters and areas of similar polygons STA: MA.912.G.2.3 MA.912.G.2.5 MA.912.G.2.7 MA.912.G.. TOP: 10- Problem 1 Finding Ratios in Similar Figures KEY: perimeter area similar figures DOK: DOK 1 5. ANS: A PTS: 1 DIF: L3 REF: 11-1 Space Figures and Cross Sections OBJ: Recognize polyhedra and their parts STA: MA.912.G.7.2 MA.912.G.7.3 TOP: 11-1 Problem 2 Using Euler's Formula KEY: polyhedron face vertices edge Euler's Formula DOK: DOK 1 6. ANS: D PTS: 1 DIF: L REF: 11-2 Surface Areas of Prisms and Cylinders OBJ: Find the surface area of a prism and a cylinder STA: MA.912.G.7.1 MA.912.G.7.5 MA.912.G.7.7 TOP: 11-2 Problem 2 Using Formulas to Find Surface Area of a Prism KEY: surface area formulas lateral area surface area prism surface area of a prism 7. ANS: B PTS: 1 DIF: L3 REF: 11-3 Surface Areas of Pyramids and Cones OBJ: Find the surface area of a pyramid and a cone STA: MA.912.G.7.5 MA.912.G.7.7 TOP: 11-3 Problem 1 Finding the Surface Area of a Pyramid KEY: surface area of a pyramid surface area surface area formulas pyramid 8. ANS: C PTS: 1 DIF: L3 REF: 11-3 Surface Areas of Pyramids and Cones OBJ: Find the surface area of a pyramid and a cone STA: MA.912.G.7.5 MA.912.G.7.7 TOP: 11-3 Problem Finding the Lateral Area of a Cone KEY: cone surface area of a cone surface area formulas surface area 9. ANS: A PTS: 1 DIF: L3 REF: 11- Volumes of Prisms and Cylinders OBJ: Find the volume of a prism and the volume of a cylinder STA: MA.912.G.7.5 MA.912.G.7.7 TOP: 11- Problem 3 Finding the Volume of a Cylinder KEY: cylinder volume of a cylinder volume 50. ANS: C PTS: 1 DIF: L3 REF: 11-6 Surface Areas and Volumes of Spheres OBJ: Find the surface area and volume of a sphere

18 STA: MA.912.G.7. MA.912.G.7.5 MA.912.G.7.7 TOP: 11-6 Problem 3 Finding the Volume of a Sphere KEY: volume of a sphere sphere volume formulas volume 51. ANS: C PTS: 1 DIF: L2 REF: 12-1 Tangent Lines OBJ: Use properties of a tangent to a circle STA: MA.912.G.6.1 MA.912.G.6.2 MA.912.G.6.3 TOP: 12-1 Problem 2 Finding Distance KEY: tangent to a circle point of tangency properties of tangents Pythagorean Theorem 52. ANS: A PTS: 1 DIF: L3 REF: 12-1 Tangent Lines OBJ: Use properties of a tangent to a circle STA: MA.912.G.6.1 MA.912.G.6.2 MA.912.G.6.3 TOP: 12-1 Problem 5 Circles Inscribed in Polygons KEY: properties of tangents tangent to a circle triangle 53. ANS: B PTS: 1 DIF: L2 REF: 12-2 Chords and Arcs OBJ: Use congruent chords, arcs, and central angles STA: MA.912.G.6.1 MA.912.G.6.2 MA.912.G.6.3 TOP: 12-2 Problem Finding Measures in a Circle KEY: arc central angle congruent arcs arc measure arc addition diameter DOK: DOK 1 5. ANS: C PTS: 1 DIF: L3 REF: 12-3 Inscribed Angles OBJ: Find the measure of an angle formed by a tangent and a chord STA: MA.912.G.6.3 MA.912.G.6. TOP: 12-3 Problem 3 Using Arc Measure KEY: circle inscribed angle tangent-chord angle intercepted arc arc measure angle measure 55. ANS: B PTS: 1 DIF: L3 REF: 12- Angle Measures and Segment Lengths OBJ: Find the lengths of segments associated with circles STA: MA.912.G.6.2 MA.912.G.6.3 MA.912.G.6. TOP: 12- Problem 3 Finding Segment Lengths KEY: segment length tangent secant